ULTRAVIOLET LIGHT: Flower Patterns Are Enhanced Under it

Culture Orchid Doctor

by Robert M. [Bert] Hamilton (Compiler)

Originally published in The Orchid Doctor in 1980 and 1988

Posted by Sys Admin about 4 years ago.

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In nature the light is useful for orienting flying insects to the right flowers for pollination. A71-877
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Ultraviolet Light Comments
ULTRAVIOLET HEAT LAMPS: Used as a Heat Lamp in the Greenhouse Use it only if the light, which is toxic to plants, is shielded from them. A68-524 used for varying lengths of time = the wave-length of u.v. is harmful to plants; short periods have no effect; kind of light usable by plants begins at 425 millicrons and u.v. is 400 or less; fluorescent lamps are mercury lamps of a sort, color-corrected for plant growing. A70-55 0
ULTRAVIOLET LIGHT: Mimicry on Flowers To improve fertilization and attract pollinators, this form of light produces patterns; with reference to a bulbophyllum species examined; refer to A83-362 0
ULTRAVIOLET LIGHT: Sterilizing Agent It is used for sterilizing air in a chamber; do not expose bare skin to it; it will kill plant tissue, and seed. A73-709 0

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